ID: 7703

AQSQID: 840080290007

Site Name: Paonia

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 22, 2020, 2:39 p.m.

Location: Paonia (Colorado Hwy 133), CO

Reporting: True, Located: True

Current AQI: 39.0

Paonia (Colorado Hwy 133) CO, US: 38.8763, -107.6022

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2020, 1 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 11.0 μg/m3 (10) 9.4 μg/m3 (39) 39.0
 
Sept. 22, 2020, noon 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 30.0
 
Sept. 22, 2020, 11 a.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 8.4 μg/m3 (35) 35.0
 
Sept. 22, 2020, 10 a.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Sept. 22, 2020, 9 a.m. 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Sept. 22, 2020, 8 a.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
Sept. 22, 2020, 7 a.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0 μg/m3 (14) 4.6 μg/m3 (19) 19.0
 
Sept. 22, 2020, 6 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 10.4 μg/m3 (43) 43.0
 
Sept. 22, 2020, 5 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 15.0 μg/m3 (14) 5.8 μg/m3 (24) 32.0
 
Sept. 22, 2020, 4 a.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 9.8 μg/m3 (41) 41.0
 
Sept. 22, 2020, 3 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 10.0 μg/m3 (9) 8.5 μg/m3 (35) 35.0
 
Sept. 22, 2020, 2 a.m. 9.9 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 5.6 μg/m3 (23) 25.0
 
Sept. 22, 2020, 1 a.m. 5.8 ppb (5) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 14.0 μg/m3 (13) 6.7 μg/m3 (28) 29.0
 
Sept. 22, 2020, midnight 5.0 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 11 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 38.0
 
Sept. 21, 2020, 10 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 40.0
 
Sept. 21, 2020, 9 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 41.0
 
Sept. 21, 2020, 8 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 13.0 μg/m3 (12) 14.6 μg/m3 (56) 56.0
 
Sept. 21, 2020, 7 p.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A 19.0 μg/m3 (17) 5.3 μg/m3 (22) 41.0
 
Sept. 21, 2020, 6 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 39.0
 
Sept. 21, 2020, 5 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 12.6 μg/m3 (51) 51.0
 
Sept. 21, 2020, 4 p.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
Sept. 21, 2020, 3 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 16.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
Sept. 21, 2020, 2 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 1 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2020, noon 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 11 a.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Sept. 21, 2020, 10 a.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0 μg/m3 (13) 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2020, 9 a.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0 μg/m3 (12) 10.8 μg/m3 (45) 45.0
 
Sept. 21, 2020, 8 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (11) 13.9 μg/m3 (54) 54.0
 
Sept. 21, 2020, 7 a.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 22.9 μg/m3 (73) 73.0
 
Sept. 21, 2020, 6 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Sept. 21, 2020, 4 a.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Sept. 21, 2020, 3 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
Sept. 21, 2020, 2 a.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2020, 1 a.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 5.0 μg/m3 (5) 9.1 μg/m3 (38) 38.0
 
Sept. 21, 2020, midnight 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 6.8 μg/m3 (28) 35.0
 
Sept. 20, 2020, 11 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 0.9 μg/m3 (4) 38.0
 
Sept. 20, 2020, 10 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 17.0 μg/m3 (15) 8.2 μg/m3 (34) 40.0
 
Sept. 20, 2020, 9 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 9.6 μg/m3 (40) 42.0
 
Sept. 20, 2020, 8 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 42.0
 
Sept. 20, 2020, 7 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 21.0 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2020, 6 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2020, 5 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A 29.0 μg/m3 (26) 13.2 μg/m3 (53) 53.0
 
Sept. 20, 2020, 4 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 32.0 μg/m3 (29) 14.8 μg/m3 (56) 56.0
 
Sept. 20, 2020, 3 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 32.0 μg/m3 (29) 18.2 μg/m3 (63) 63.0
 
Sept. 20, 2020, 2 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
Sept. 20, 2020, 1 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2020, noon 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 11.5 μg/m3 (48) 48.0
 
Sept. 20, 2020, 11 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
Sept. 20, 2020, 10 a.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
Sept. 20, 2020, 9 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0 μg/m3 (17) 14.1 μg/m3 (54) 54.0
 
Sept. 20, 2020, 8 a.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 9.0 μg/m3 (8) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, 7 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 4.0 μg/m3 (4) 15.7 μg/m3 (58) 58.0
 
Sept. 20, 2020, 6 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, 5 a.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
Sept. 20, 2020, 4 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
Sept. 20, 2020, 3 a.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2020, 2 a.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, 1 a.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A 19.0 μg/m3 (17) 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2020, midnight 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A 20.0 μg/m3 (18) 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2020, 11 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A 20.0 μg/m3 (18) 6.8 μg/m3 (28) 42.0
 
Sept. 19, 2020, 10 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A 15.0 μg/m3 (14) 8.4 μg/m3 (35) 42.0
 
Sept. 19, 2020, 9 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 21.0 μg/m3 (19) 7.3 μg/m3 (30) 44.0
 
Sept. 19, 2020, 8 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 43.0
 
Sept. 19, 2020, 7 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A 22.0 μg/m3 (20) 11.6 μg/m3 (48) 48.0
 
Sept. 19, 2020, 6 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 14.9 μg/m3 (56) 56.0
 
Sept. 19, 2020, 5 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 23.0 μg/m3 (21) 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 4 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 15.7 μg/m3 (58) 58.0
 
Sept. 19, 2020, 3 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 16.7 μg/m3 (60) 60.0
 
Sept. 19, 2020, 2 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 1 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 20.0 μg/m3 (18) 13.6 μg/m3 (53) 53.0
 
Sept. 19, 2020, noon 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 13.9 μg/m3 (54) 54.0
 
Sept. 19, 2020, 11 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 14.2 μg/m3 (55) 55.0
 
Sept. 19, 2020, 10 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0 μg/m3 (14) 15.3 μg/m3 (57) 57.0
 
Sept. 19, 2020, 9 a.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 8 a.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 19.0 μg/m3 (17) 22.8 μg/m3 (73) 73.0
 
Sept. 19, 2020, 7 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 21.0 μg/m3 (19) 19.6 μg/m3 (66) 66.0
 
Sept. 19, 2020, 6 a.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
Sept. 19, 2020, 5 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 16.6 μg/m3 (60) 60.0
 
Sept. 19, 2020, 4 a.m. 4.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 26.0 μg/m3 (24) 16.7 μg/m3 (60) 60.0
 
Sept. 19, 2020, 3 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A 28.0 μg/m3 (25) 16.8 μg/m3 (60) 60.0
 
Sept. 19, 2020, 2 a.m. 5.6 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 1 a.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 13.0 μg/m3 (12) 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2020, midnight 5.3 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 15.4 μg/m3 (57) 57.0
 
Sept. 18, 2020, 11 p.m. 8.2 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A 8.0 μg/m3 (7) 20.6 μg/m3 (68) 68.0
 
Sept. 18, 2020, 10 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 19.0 μg/m3 (17) 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2020, 9 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 13.0 μg/m3 (12) 3.7 μg/m3 (15) 42.0
 
Sept. 18, 2020, 8 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 15.2 μg/m3 (57) 57.0
 
Sept. 18, 2020, 7 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 24.0 μg/m3 (22) 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2020, 6 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 29.0 μg/m3 (26) 14.5 μg/m3 (55) 55.0
 
Sept. 18, 2020, 5 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A 35.0 μg/m3 (32) 20.2 μg/m3 (67) 67.0
 
Sept. 18, 2020, 4 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 37.0 μg/m3 (34) 23.6 μg/m3 (75) 75.0
 
Sept. 18, 2020, 3 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 31.0 μg/m3 (28) 18.1 μg/m3 (63) 63.0
 
Sept. 18, 2020, 2 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2020, 1 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 21.0 μg/m3 (19) 25.5 μg/m3 (79) 79.0
 
Sept. 18, 2020, noon 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 25.0 μg/m3 (23) 18.7 μg/m3 (64) 64.0
 
Sept. 18, 2020, 11 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 24.0 μg/m3 (22) 22.4 μg/m3 (72) 72.0
 
Sept. 18, 2020, 10 a.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0 μg/m3 (19) 18.9 μg/m3 (65) 65.0
 
Sept. 18, 2020, 9 a.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0 μg/m3 (23) 16.4 μg/m3 (59) 59.0
 
Sept. 18, 2020, 8 a.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 23.0 μg/m3 (21) 21.8 μg/m3 (71) 71.0
 
Sept. 18, 2020, 7 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 25.0 μg/m3 (23) 27.0 μg/m3 (82) 82.0
 
Sept. 18, 2020, 6 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 19.6 μg/m3 (66) 66.0
 
Sept. 18, 2020, 5 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 26.0 μg/m3 (24) 21.5 μg/m3 (70) 70.0
 
Sept. 18, 2020, 4 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 29.0 μg/m3 (26) 18.4 μg/m3 (64) 64.0
 
Sept. 18, 2020, 3 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 23.0 μg/m3 (21) 19.4 μg/m3 (66) 66.0
 
Sept. 18, 2020, 2 a.m. 6.6 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A 32.0 μg/m3 (29) 24.3 μg/m3 (76) 76.0
 
Sept. 18, 2020, 1 a.m. 7.6 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A 33.0 μg/m3 (30) 25.7 μg/m3 (79) 79.0
 
Sept. 18, 2020, midnight 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 35.0 μg/m3 (32) 24.8 μg/m3 (77) 77.0
 
Sept. 17, 2020, 11 p.m. 6.1 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 19.4 μg/m3 (66) 66.0
 
Sept. 17, 2020, 10 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A 15.0 μg/m3 (14) 10.1 μg/m3 (42) 42.0
 
Sept. 17, 2020, 9 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A 11.0 μg/m3 (10) 6.3 μg/m3 (26) 42.0
 
Sept. 17, 2020, 8 p.m. 6.5 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) N/A 19.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
Sept. 17, 2020, 7 p.m. 8.6 ppb (8) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2020, 6 p.m. 3.5 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 23.0 μg/m3 (21) 16.2 μg/m3 (59) 59.0
 
Sept. 17, 2020, 5 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2020, 4 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 28.0 μg/m3 (25) 17.6 μg/m3 (62) 62.0
 
Sept. 17, 2020, 3 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 23.0 μg/m3 (21) 16.3 μg/m3 (59) 59.0
 
Sept. 17, 2020, 2 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 14.7 μg/m3 (56) 56.0
 
Sept. 17, 2020, 1 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 18.5 μg/m3 (64) 64.0
 
Sept. 17, 2020, noon 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 16.7 μg/m3 (60) 60.0
 
Sept. 17, 2020, 11 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 10 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0 μg/m3 (18) 14.2 μg/m3 (55) 55.0
 
Sept. 17, 2020, 9 a.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0 μg/m3 (16) 15.7 μg/m3 (58) 58.0
 
Sept. 17, 2020, 8 a.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 20.0 μg/m3 (18) 17.6 μg/m3 (62) 62.0
 
Sept. 17, 2020, 7 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 22.0 μg/m3 (20) 16.8 μg/m3 (60) 60.0
 
Sept. 17, 2020, 6 a.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 23.0 μg/m3 (21) 20.3 μg/m3 (68) 68.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 4 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) 18.1 μg/m3 (63) 63.0
 
Sept. 17, 2020, 3 a.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 23.0 μg/m3 (21) 16.4 μg/m3 (59) 59.0
 
Sept. 17, 2020, 2 a.m. 8.6 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A 19.0 μg/m3 (17) 12.3 μg/m3 (51) 51.0
 
Sept. 17, 2020, 1 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 22.0 μg/m3 (20) 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2020, midnight 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 25.0 μg/m3 (23) 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2020, 11 p.m. 5.1 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 24.0 μg/m3 (22) 7.3 μg/m3 (30) 34.0
 
Sept. 16, 2020, 10 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 20.0 μg/m3 (18) 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2020, 9 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 22.0 μg/m3 (20) 12.8 μg/m3 (52) 52.0
 
Sept. 16, 2020, 8 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
Sept. 16, 2020, 7 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
Sept. 16, 2020, 6 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 23.0 μg/m3 (21) 11.4 μg/m3 (48) 48.0
 
Sept. 16, 2020, 5 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2020, 4 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2020, 3 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 31.0 μg/m3 (28) 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2020, 2 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2020, 1 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2020, noon 2.2 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 16.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2020, 11 a.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2020, 10 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (11) 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2020, 9 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0 μg/m3 (17) 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2020, 8 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 19.0 μg/m3 (17) 13.9 μg/m3 (54) 54.0
 
Sept. 16, 2020, 7 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A 23.0 μg/m3 (21) 11.1 μg/m3 (46) 46.0
 
Sept. 16, 2020, 6 a.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 14.6 μg/m3 (56) 56.0
 
Sept. 16, 2020, 5 a.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2020, 4 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Sept. 16, 2020, 3 a.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Sept. 16, 2020, 2 a.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A 27.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
Sept. 16, 2020, 1 a.m. 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 21.0 μg/m3 (19) 5.1 μg/m3 (21) 26.0
 
Sept. 16, 2020, midnight 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 32.0
 
Sept. 15, 2020, 11 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 34.0
 
Sept. 15, 2020, 10 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 37.0
 
Sept. 15, 2020, 9 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 7.0 μg/m3 (6) -0.4 μg/m3 (0) 38.0
 
Sept. 15, 2020, 8 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A 6.0 μg/m3 (5) 2.4 μg/m3 (10) 38.0
 
Sept. 15, 2020, 7 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 37.0
 
Sept. 15, 2020, 6 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 0.3 μg/m3 (1) 35.0
 
Sept. 15, 2020, 5 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 10.0 μg/m3 (9) 3.8 μg/m3 (16) 33.0
 
Sept. 15, 2020, 4 p.m. 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 28.0
 
Sept. 15, 2020, 3 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.5 μg/m3 (10) 25.0
 
Sept. 15, 2020, 2 p.m. 2.2 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 23.0